Mariam Ameri, MD
NPI 1588807861 · Rheumatology Physician · Annapolis, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Ameri, MD is a Rheumatology Physician provider in Annapolis, MD (NPI 1588807861).
Provider details
- NPI number
- 1588807861
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0077521 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,651 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 1,447 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 838 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 534 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 387 | $125 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 291 | $15 |
| Limited Ultrasound Scan of Joint Or Other Extremity Structure Except Blood Vessels |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 380 | 96 |
| Prednisone | 294 | 87 |
| Hydroxychloroquine Sulfate | 261 | 78 |
| Leflunomide | 175 | 49 |
| Allopurinol | 97 | 27 |
| Sulfasalazine | 86 | 25 |
| Methylprednisolone | 60 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,197 across 161 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-15
- Last updated
- 2017-01-10
Frequently asked questions
- What is Mariam Ameri's NPI number?
- Mariam Ameri's National Provider Identifier (NPI) is 1588807861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Ameri's specialty?
- Mariam Ameri is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Ameri located?
- Mariam Ameri's practice location on file with NPPES is 166 Defense Hwy, Annapolis, MD 21401-8919.
- What is Mariam Ameri's phone number?
- The practice phone number listed in the NPPES registry for Mariam Ameri is (410) 897-1941.
- Does Mariam Ameri accept Medicare?
- Mariam Ameri is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Ameri's NPI active?
- Yes — Mariam Ameri's NPI (1588807861) is active in the NPPES registry as of the last update on 2017-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.